Sceptical

• Alt. of Scepticism
Found on http://thinkexist.com/dictionary/meaning/sceptical/

sceptical

skeptical, sceptical 1. Tending not to believe or to accept things but to question them. 2. Marked by a doubting attitude. 3. Referring to doubt; questioning; such as, a skeptical attitude or being skeptical of political promises. 4. Relating to or characteristic of skeptics or skepticism.
Found on http://www.wordinfo.info/words/index/info/view_unit/1915/4
No exact match found